Setting a minimum/maximum character count for any character using a regular expression

I am trying to write a regular expression that will be used on a text box to validate its contents to see if it is between 1 and 35. The characters within the text box can be anything: numeric, alpha, punctuation, white space, etc. Here is what I have so far:

^[:;,\-@0-9a-zA-Zâéè'.\s]{1,35}$

As you can see, I have to list out all characters. Is there an easier way to say "all" characters?